Window construction



Jan. 1, 1952 H. A. DAVIS 2,580,736

WINDOW CONSTRUCTION Filed March 8, 1948 ATTORNEY Patented Jan. 1, 1952UNITED STATES PATE NT OFFICE This invention relates to improvements inwindow construction.

The principal objects of this invention are:

First, to provide a window construction which will admit a greateramount of light than the present standard type of window construction.

Second, to provide a window construction for dwellings and the likeincluding a screen and storm sash which is particularly adapted for unitconstruction and shipment and which will require no fitting wheninstalled in a building.

Third, to provide a window construction which will admit an increasedamount of light and provide adequate ventilation at a reduced cost.Other objects and advantages pertaining to the details and economies ofmy invention will be apparent from the following description and claims.

The drawings of which there is one sheet illustrate a preferred form ofmy window construction.

Fig. 1 is an inside elevational view of my window construction asinstalled in a house.

Fig. 2 is an outside elevational view of my window constructionpartially broken away to illustrate details of construction thereof.

Fig. 3 is a fragmentary horizontal cross sectional view along the line3-3 in Fig. 2.

Fig. 4 is a fragmentary horizontal cross sectional view along the line4-4 in Fig. 2.

Fig. 5 is a fragmentary vertical cross sectional view along the line 5-5in Fig. 5.

My window construction consists of a main frame including side membersI, a top cross member 2, a bottom cross member or sill 3, and anintermediate cross member 4. The intermediate cross member is rigidlyconnected between the side members I as by a tongue and grooved joint 5or other suitable fastening means and serves to strengthen the mainframe and prevent bowing of the side members.

As is most clearly illustrated in Fig. 5 the intermediate cross member 4is downwardly and outwardly sloped as at 6 on its upper surface and itsupper inside edge is rabbeted as at 1. The lower cross member 3 is alsooutwardly and downwardly sloped in the usual fashion and is providedwith horns 8 at its ends extending laterally beyond the side framemembers I. My frame is adapted to be installed between the studding 9 ofa building in the usual fashion and inner and outer trim or face boardsl0 may be secured to the frame in the usual manner.

Above the intermediate cross member 4 the side members I are channeledas at H to re- 2 Claims. (CI. 20-52) ceive the parting strip I3 andmolding strip l2 with the window pane l4 positioned therebetween. Therear edge of. the parting strip I3 is arranged flush with the forwardedge of the rabbet groove 1 so that the window pane [4 seats against theparting strip and the outer edge of the rabbet groove. The top crossmember 2 is grooved as at I5 to receive the upper edge of the windowpane. The inner edge of the molding strip 12 is arranged flush with theinner edge of the intermediate cross member 4 so that the inner edge ofthe molding strip constitutes an outer guide for the lower movable sashHi. The movablesash I6 is of standard construction and is provided witha lower window pane I1. The inner sash is retained against the molding,and intermediate cross member 4 by the inner guide stops l8 secured tothe main frame members.

Below the intermediate cross member 4 and flush with the outside of themovable sash, the side frame members I are grooved to receive the lowerends of the molding strips l2 for guiding the movable sash in itslowered position. The mold strips I2 also form a blind stop againstwhich the screen sash 2| may seat. The screen sash 2| is secured inplace by suitable fastening such as the familiar spring pressed pin 22.Where desired a storm sash corresponding in size to the screen sash maybe provided for interchanging with the screen sash.

All of the sash frames and parts for my window construction can be massmanufactured and assembled to fit the main frame which can also bemanufactured in many standardized sizes and easily installed in abuilding. My window construction is thus adapted for economical massproduction and shipment and requires little labor to be installed. Theupper window pane I4 is considerably larger than the corresponding panein present conventional window construction since there is no sash frameto reduce the size of the upper window pane. I have observed that thegreat majority of double sash windows presently in use have their uppersash frames stuck or frozen to the window frame by painting, both insideand out, so that no ventilation is lost by permanently securing my upperpane directly to the main frame of the window.

My lower window sash may be provided with the usual sash cord 23 andcounter-balancing sash weight 24 but the expense of a duplicate sashcord and weight for the upper window is eliminated in my construction. Ialso eliminate the cost of a separate upper sash frame andguide stripsfor the upper and lower sash as the inner molding for the upper panealso serves as a guide for the lower sash.

I have thus described a highly practical form of my window constructionbut it should be understood that I do not limit my invention to theparticular embodiment illustrated. Obviously the relative positions ofthe fixed pane and movable sash could be reversed and the parting stripsand molding strips I3 could be vsecured directly to the side framemembers I without setting them into grooves in the side frame members ifdesired.

Having thus described my invention, what I claim as new and desire tosecure by Letters Patent, is:

1. Window construction comprising, a main frame having side members andtop and bottom cross members, an intermediate cross member fixedlysecured between said side members and rabbeted on its upper inside edge,parting strips set into said side members above said intermediate memberand with theirinside surfaces approximately flush with t-heverticalsurface of the rabbet thereof, an upper window pane permanently securedagainst said parting strips and the vertical surface of the rabbetedportion of said intermediate member, a sash frame slidable in said mainframe and along the rear side of said intermediate cross member, moldingstrips set against the inside of said pane and constituting outer guidesfor said sash, inner sash guides secured to said main frame, and lowersashguides set into said side members below said intermediate memberwith their outer sides constituting blind stops.

2. Window construction comprising, a main frame having side members andtop and bottom cross members, an intermediate cross member fixedlysecured between said side members and rabbeted on its upper inside edge,parting strips on said side members above said intermediate member andwith their inside surfaces approximately flush with the vertical surfaceof the rabbet thereof, an upper window pane permanently secured againstsaid parting strips and the vertical surface of the rabbeted portion ofsaid intermediate member, a sash frame slidable in said main frame andalong the rear side of said REFERENCES CITED The following referencesare of record in the file of this patent:

UNITED STATES PATENTS Number Name Date 1,090,0 l5 Derge Mar. 24, 19141,945,381 Bank Feb. 6, 1934 2,357,129 Kessler Jan. 9, 1945 FOREIGNPATENTS Country Date 52/31 Australia Oct. 24, 1931

